* {
	margin: 0;
	padding: 0;
}

body {
	background: gray;
}

h3 {
    margin: 0 auto;
}

li {
    margin: 5px;
    list-style-type: none;
    border: blue thin solid;
    border-radius: 4px;
    background-color: white;
}

.btn {
    padding: 5px;
}